JPEG signal to noise ratio

The signal to noise ratio in JPEG images from the Nikon S6400 is lower than in images from the Nikon S6300 and Panasonic FS45 throughout the entire sensitivity range. It starts off worse than the Sony W690, too, before overtaking it at ISO 800 and above.

JPEG dynamic range

The Nikon S6400 performs better in terms of dynamic range, this time showing stronger results than thePanasonic FS45 throughout the entire sensitivity range, and beating the Sony W690 from ISO 800 and above. The Nikon S6300 still has a greater dynamic range, however.